package com.springai.ai.config;

import com.alibaba.cloud.ai.dashscope.api.DashScopeApi;
import com.alibaba.cloud.ai.dashscope.chat.DashScopeChatModel;
import com.alibaba.cloud.ai.dashscope.chat.DashScopeChatOptions;
import com.alibaba.cloud.ai.memory.redis.RedisChatMemoryRepository;
import org.springframework.ai.chat.client.ChatClient;
import org.springframework.ai.chat.client.advisor.MessageChatMemoryAdvisor;
import org.springframework.ai.chat.memory.MessageWindowChatMemory;
import org.springframework.ai.chat.model.ChatModel;
import org.springframework.ai.chat.prompt.ChatOptions;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class SaaLLMConfig
{

    private final String QWEN_MODEL = "qwen-plus";

    @Value("classpath:/prompttemplate/sysPrompt.txt")
    private org.springframework.core.io.Resource sysPrompt;

    @Bean(name = "qwen")
    public ChatModel qwen()
    {
        return DashScopeChatModel.builder().dashScopeApi(DashScopeApi.builder()
                        .apiKey(System.getenv("DASHSCOPE_API_KEY"))
                        .build())
                .defaultOptions(
                        DashScopeChatOptions.builder()
                                .withModel(QWEN_MODEL)
                                .build()
                )
                .build();
    }

    @Bean(name = "qwenChatClient")
    public ChatClient qwenChatClient(@Qualifier("qwen") ChatModel qwen,
                                     RedisChatMemoryRepository redisChatMemoryRepository)
    {
        MessageWindowChatMemory windowChatMemory = MessageWindowChatMemory.builder()
                .chatMemoryRepository(redisChatMemoryRepository)
                .maxMessages(15)
                .build();

        return ChatClient.builder(qwen)
                .defaultOptions(ChatOptions.builder().model(QWEN_MODEL).build())
                .defaultAdvisors(MessageChatMemoryAdvisor.builder(windowChatMemory).build())
                .defaultSystem(sysPrompt)
                .build();
    }


}